The castle used by the Danish Royal Family as a hunting retreat.

The local club's soccer field is practically surrounded by UNESCO-protected monuments.

This 17th-century passageway is home to numerous bookshops, a witch legend, and the oldest pizzeria in the world.

View Japan's most historic city from a cyberpunk walkway suspended 150 feet above the ground.

This ancient Roman aqueduct once funneled water to Diocletian's palace.

On a tiny island in northwestern Norway, one of the country's few remaining original stave churches.

Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.

A study of Fascist era Art Deco design in Italy.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

Every inch of this chapel is covered in craftsmanship from across the world.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

Thousands of well-dressed mummies below a monastery.

This Arabesque Italian castle was built with a primitive, if ingenious, air-conditioning system.

According to Greek mythology, this natural spring is the home of a freshwater nymph.

Italian cave with exceptional acoustics and an unsavory history.

A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

The world's most active stratovolcano is almost always erupting.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

The house where the writer spent his formative years.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.